Transmission mechanism.



- PATBNTED SEPT. 1a, 1906. R. A. REYNOLDS & w. E. BEE.

TRANSMISSION MECHANISM.

APPLIUATIOH FILED IAILSB. 1906.

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TRANSMISSION MECHANISM. f-

APPLIGATIOK nun run. 2a. 1906. i

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U NITED STATES ygnsr OFFICE.

ROBBIE A. REYNOLDS AND WILLIAM BEE, or DETROIT, MICHIGAN.

TRANSMISSION MECHANISM.

To all whom itmay concern: Be it known that we, ROBBIE A. REYNOLDS andWILLIAM E. BEE, citizens of the United States, residing at Detroit,county of 'ayne, State of Michi an, have invented a certain new andusefu Improvement in Transmission Mechanism, of which the following is aspecification, reference bein bad to the accompanying drawings, whichform a part of this specification.

Our invention has for its object certain new and useful improvements intransmission mechanism for automobiles and for anaiogous purposes; andit consists of the construction, combination, and arrangement of devicesand appliances hereinafter specified and claimed, and illustrated in theaccompanying drawings, in which Figure l is a view in side elevationshowing parts in vertical section illustrating our invention, themechanism being in position for securing a direct drive and high s eed.F ig. 2 is a similar view of portions of toe mechanism illustrated-inFig. 1, but showing the mechanism in position for securing a low speed.Fig. 3 is a view in end elevation of t e friction-cone, showing theshaft in crosssection. Fig. 4 is a plan view. Fig. 5 is a view in sideelevation showing parts in vertical section, the mechanism being inposition to secure a reverse motion. Fig. 6 is a detail view illustrat'a modification in the construction of the lotion-drum.

Our improved transmission mechanism c'om rises a driving friction-coneand preferably a stepped friction-drum, the cone having an internaldriving enga ement with I J p 'ahead, additional mechanism bei '''4o 1 0tions of the friction-cone and frictionrum the friction-drum to secure pural speeds emp oyed to secure a reverse motion, the re ative osibeingchangeable to secure different speeds ahead, a verse motion beingsecured, as shown, by means of an idler inte osed between' thefriction-cone and friction-drum, the mechanism being adjustable to bringthe cone into contact with the idler when a reverse motion 'is desired,the idler being arranged to have internal frictional contact with thefriction-drum. The aim of our'invention is to provide a transmissionmechanism of simple, eilicient, and economical construction.

We carry out our invention as follows: In the drawin a re resents theframework of the machine, w 'ch may be of an;

Specification of Letters Patent.

Application filed l'arch 28, 1906. Serial No. 308.420-

.herewith provided with cross-bars Patented Sept. 18, 1906.

suitable construction, the same bein shown and 0 intermediate theirextremities. The driving or engine shaft is indicated at (1, upon which'is engaged a reciprocatory sleeve 6, the same being movablelongitudinally of the drivingshaft by suitable lever mechanism(indicated at f) connected with said sleeve, as bya connecting-rod g.About the sleeve e is engaged a cylinder or sleeve 1', supported uponthe sleeve e by pins j, and about the cylinder or sleeve 2' is afriction-ring, (indicated at k,) supported upon the cylinder 2 by pinsZ, the friction-ring k being thus adjustable upon the pins and l. Adriven shaft is indicated at m, upon the inner end of which is secured adriven friction-drum, (indicated at n.) \Ve prefer that thefriction-drum should be a stepped drum, the inner eriphery of one stepof said drum being indicated at p and that of another step beingindicated at q, the internal diameters of the steps, of course, being ofdifferent diameters.

lVhile we have shown but two steps of the drum, we would have itunderstood that we do not limit ourselves solely to two in number, asour invention broadly contemplates a friction-drum with multiple steps.The multiple steps of the drum have their internal peripheries each ofangular or conical form to be engaged by the correspondingly-shapeddriving friction-cone. The driven shaft m is fulcrumed, as at r, uponany suitable support or bracket, (indicated at 8,) which may be securedu onthe cross-bar b. Engaged with the she t m is suitable levermechanism (indicated at t) fulcrumed, as at it, upon a suitable bracket1), supported in any suitable manner upon the frame, the lever mechanismt being provided with a slotted arm 10, engaging a pin 2: upon the shaftm. This construction and arrangement, it will be ob served, enables thedriven friction-drum n to be oscillatedthat is, raised and lowered itsraised position being illustrated, for citample, in Fig. 2. Any suitablemechanism may be provided to lock the lever mechanism t in givenposition.

When a direct and high speed is desired, the drum n is adjusted into proor position and the cone h is advanced into t e narrower end of thedrum, so as to have frictional contact with the interior of the step 1)ofsaid drum, the degree of frictional contact de-' sired being secured bmeans of the lever mechanisms f or t. no it is desired to Y thrust.

have a slow speed ahead, the sleeve I carryl a friction-drnnncarriedbv'the oscillatory inin the one l.', is withdrawn upon the shaft J asuitable (ll.\l :Xll(( to permit the drum n being elevated so as tobring the cone into 7 shaft being the radius of the arc in which thefrictional contactwith the interior surfa e of the step {I of the drum.To secure a reverse motion, we provide an idler 1/, which may besupported in any suitable manner, as upon an arm fulcrumed, as at 2,upona bracket (indicated by the numeral 7) suitably supported upon theframe. This idler is arranged so that the drum 71 may be brought into(on tact therewith when a reverse motion is dcs sired, the cone in beingalso in contact with the idler. The driven shaft- 112 has preferablyuniversal joints 8 and 9 located therein, said shaft being provided witha beveled gear 10, meshing with a gear 11 upon the axle;

As we have hereinbefore intimated, the

driven frietit i-drum might within the scope of our invention be simplya cone-shaped drum, (as we do not limit ourselves to a Stepped drum,) asshown in Fig. 6.

It will readily be seen that the -.riving is always internal and thatthere will be no slipping of surfaces, for the reason thatthecontact-surfaces are at the same angle. The construction of thedriving-cone is such that it may adjust itself to the angle of thedriven drum.

It will readily be seen thatat high speed, orupon the direct drive, allside thrust is eliminated. our. ide thrust. we provide side bearings(indicated at 12'and 13) located Qnopposite sides of the aim w,- whichtalte the side It will also be apparent that the idler will drive at thesame angle as the driving-cone. The adjustment of the driven drumrequires but a small amoimt anew-- age. The fulcrum r may beprovided'with a ball-bearing of ordinary construction. I

It is obvious that the driven shaft is radially oscillatory--that is tosay. the inner end of the driven shaft from the joint 8 is the radius ofwhich the joint. is the center, the

inner end of the driven shaft being oscillatory about the joint ascenter. In other words, the driven shaft is the radius of the are onwhich the stepped or conically-slnipeil drum oscillates.

- \Vhat we c aim as our invention is-- i. in a transmission mechanismthe combination of a driving-shaft, a friction chae' movable uponsaidshaft long tudinallythere-' dius of the arc in which the. drumoscillates.

2. In a transmission mechanism the comblnation of a driving-shaft, afrlctlon-cone movable uponsaid shaft longltudimillythereof, a. drivenshaft. oscillatory at its inner end,-

On the slow speed or drive to prencr end of the driven shaft engageableby the friction-cone, the interior surface of the fricti-. n-drum beingof conical form, the driven carried thereupon, means to move the frietlon-eone longitudinally of the shaft, a drlveir shaft oscillatory atits inner end, and a con ical friction-drum carried by the driven shaftengageable at different diameters thereof by the friction-crate.

5. In a transmission mechanism the combination of a driving-shaft, asleeve provided with a friction-cone movable upon said shaftlongitudinally thereof, a jointed driven shaft oscillator? at its innerend from the jointed -portion t lei-eel. and a friction-drum carried ythe driven shaft engageable at differentdiameters by the friction-cone.

6. In a. transmission mechanism the combination of a driving-shaft, afriction-cone movable upon the shaft longitudinally thereof, a drivenshaft oscillatory t its inner end, a stepped friction-drum carried bythe oscillatory inner end of the driv n shaft having its inner surfacesof conical form engageable at different diameters by the friction-cone,and an idler arranged to be actively interposed between thefriction-cone and the frietion-drum, and to beremoved from activeposition, the driven shaft being the radius of the are in which the drumoscillates.

7. In a transmission mechanism the com: bination of a driving-shaft, afriction-cone movable back and forth upon said shaft and rotatabletherewith, a driven 'shaft oscillatory-at its inner end andafriction-druni carried by the oscillatory inner end of the driven shaftengageable bv the friction-cone to secure multiple speeds ahead, the.driven shaft being the radius of the are in which the drum oscillates.

S. In a transmission mechanism the combination of a driving-shaft, afriction-cone rotatable with said shaft and movable back and forththereupon, a driven shaft oscillatory at the inner end thereof, afriction-drum carried upon the inner end of the driven shaft ergageableby the friction-cone, a lever to oscillate the inner end of the drivenshaft, said lever rovided with a. slotted arm engaging the (lJVCIlshaft.

.l. in a transnnssion mechanism the combination of a drivmg-shaft, airv-non-cone thereupon, a driven shaft oscillatory at its inface by thefriction-cone atdifi'erent diinmsaid driven shaft provided with auniversal joint interposed therein and made oscillatory at its inner endfromi aid joint as acenter of osclllation.

10. In a transmission mechanism the combination of a. driving-shaft, asleeve rotatable .with'the driving-shaft and movable back and forththereupon, afriction-cone carried by said sleeve and adjustable atdifferent angles ner end, and a friction-drum carried bv the oscillatoryinner end of the driven shaft enga eableby the friction-cone to securemultip e speeds ahead, the driven shaft being the radius of the arc inwhich the drum oscillates.

11.. In a transmission mechanism the combination of a drrvmgshaft, afriction-cone movable upon the shaft longitudinally thereof, a drivenshaft oscillatory at its inner end, a friction-drum carried bv theoscillatory in ner end of the driven shaft engagea-ble at differentdiameters by the friction-cone, and an oscillatory idler arranged to beactivelv interposed between the friction-cone and the friction-drum, thedriven shaft being the ra- -dius of the arc in which the drumoscillates.

-12. In a transmission mechanism the combination of a driving-shaft. asleeve rotatable with the driving-shaft and movable back and i forththereupon. a friction-cone carried by 1 -said sleeve, a lever to actuatethe sleeve, a jointed driven shaft made oscillatory at the Innerextremitv thereof about the joint as a center, a frictibn-drum carriedby the inner end of the driven shaft engageable bv the friction-cone atdifferent diameters, and a le 3 ver to actuate the oscillatory end ofthe driven shaft.

13. In a transmission mechanism the combination of a drivingshaft, afriction-cone rotatable with the driving-shaft and movi able back andforth thereupon, a driven shaft oscillatory atits inner end, and a fictiondrum carried by the oscillator inner end of the driven shaftengageable on its inner surters thereof, the driven shaft being theradius of the arc in which the drum oscillates.

14. In a transmission mechanism the combination of a driving-shaft, asleeve rotatable with the driving-shaft and movable back and forththereupon. a friction-cone carried bv -said sleeve. a jointed drivenshaft fulcrumed to oscillate at the inner end thereof, from the joint asa center ofoscillation, a frictiondrum carried bv the inner end of thedriven shaft engageable on its inner surface at different diameters bythe friction-cone, a lever f to actuate the oscillatory end of thedriven shaft. and means to lock said lever.

; 15. In a transmission mechanism the combination of' a driving-shaft. afriction-cone back and forth thereupon. a driven shaft 0sj cillatory atits inner end. a friction-drum carried by the oscillatory inner end ofthe driven i shaft engageable by the friction-cone to secure high andlow speeds ahead, and means to prevent side thrust on a slow-speeddrive;

l i bination of a driving-shaft, a friction-cone l upon said shaft. ajointed driven shaft oscilt'latorv at its inner end from the joint as acenter of oscillation. and a friction-drum carried l by the oscillatoryinner end of the driven shaft engageable by the friction-cone, said lcone and drum the one being movable back f and forth upon its shaft,whereby the cone I will engage the drum at different diameters 1thereof. l 17. In a transmission mechanism the combination of adriving-shaft, a friction-cone 5 upon the driving-shaft, a driven shaftoscil- 5 latory at its inner end. and a friction-drum carried by thedriven shaft engageable at difl ferent diameters thereof by thefriction-cone, said cone and said drum the one movable toward the other,the driven shaft being the l radius of the arc in which the drumoscillates. l 18. In a transmission mechanism the combination ofadriving-shaft. a friction-cone rotatable with said shaft and movableback and forth thereupon, a jointed driven shaft, and a friction-drumcarried upon the inner end of the driven shaftengageable by thefriction-cone, the driven shaft being the radius of the arc in whichthedrum oscillates.

1 In testimony whereof we have signed this specification in the presenceof two subscrib- 1 ing witnesses.

ROBBIE A. REYXOLDS. IVILLIAQI E. BEE.

Witnesses X. S. M'monr, E. M. SPIELBL'RG.

rotatable with the driving-shaft and movable 16. In a transmissionmechani m the com-

